Ibervillea sonorae (S. Watson) Greene Ibervillea sonorae (S. Watson) Greene in Erythea 3(5): 75. 1895 sec. Lira & Rodríguez-Arévalo 2006≡Maximowiczia sonorae S. Watson in Proc. Amer. Acad. Arts 24: 51. 1889 syn. sec. Lira & Rodríguez-Arévalo 2006